Rock the JVM - Spark Optimization with Scala

Rock the JVM - Spark Optimization with Scala

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TUTProfessor

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Rock the JVM - Spark Optimization with Scala - Learn all the intricacies of Spark and make the most of your code with Scala.

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Why is it that my work is doing so slowly?

Let me describe it, and then tell me if it's like you: you're doing a four-line task on a gigabyte of data with two innocent connections, and it takes a hell of an hour to do. Or another option: you have an hour-long job that's done smoothly until the 1149/1150 problem is stuck, and two hours later you decide to kill it, because you don't know if it's a spark bug, or some big data god who's mad at...

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